The human heart beats 100,000 times a day

Over the course of a day, your heart beats an average of 100,000 times! In one year, the organ hits 35 million times, which adds up to an average of 3 billion beats over a lifetime. According to Arkansas Heart Hospital, the heart is able to pump 5 liters of blood throughout the body every 20 seconds; therefore, the heart makes the blood in the body circulate through the body about three times a minute.

There are more bacteria in your mouth than humans on the planet

Scientists at the Harvard School of Dental Medicine have already found more than 615 different bacterial species in the human mouth, and they believe there is still more to be found. The institution's professionals also claim that the total number of microorganisms in this region of the body may exceed the number of human beings on Earth. Scary, isn't it?

Thus, the human mouth is considered a small jungle of bacteria. The humidity of the saliva and the presence of sugars and carbohydrates in the food make this space a great environment for the proliferation of microorganisms. In addition, experts believe that variation in the number of certain species may be the key to determining patients' oral health and assisting early diagnosis of oral cancer.

Children have more bones in their bodies than adults

 Did you know that a baby is born with about 300 bones in its body? According to Arizona State University, in the United States, many bones fuse throughout the growth process, and as a result, the skeleton of an adult human has 206 bones of varying shapes and sizes. These structures are formed by living and active cells, which means that they are always growing, regenerating and also relating to other parts of the body. Another curiosity is that if you put all the bones in your body on a scale, the total mass will correspond to 15% of your body weight.

Human Body

The man has 46 chromosomes, which contain genes that determine the characteristics of each person, such as eye color and face shape.

Human Body

Was in eighteenth-century England who tested in humans the first vaccines against smallpox. The "guinea pigs" were seven criminals who, in return, gained freedom. They were free of disease including.

Human Body

The small intestine measures 6 to 9 meters. The large intestine is 1.5 meters, but is three times wider.

Human Body

The Achilles heel is one of the most popular metaphors about human frailty. Thetis held Achilles by the heel his son to immerse it in river Egypt who become invincible. Wanted to counteract an oracle that said that his son would die in the war of Troy. During a battle, however, Achilles took an arrow in his only vulnerable spot: his heel, which had not been bathed in the river by his mother. Thereafter, the term Achilles' heel indicates a weakness of a person.

Human Body

The body consists of 70% water, which corresponds to half of our weight. In the body, the water carries food waste and mineral salts tissues and lubricates joints, conduct glucose and oxygen to the interior of cells, and regulates the temperature. An adult eliminates three liters of water per day in the urine, sweat and respiration.

Human Body

Natural redheads have a genetic mutation can affect the brain's ability to process pain medicine, such as Novocain. This is a variation of the melanocortin-1 receptor gene. Because of this, redheads are more likely to flee dentists and ask larger doses of anesthesia.

Human Body

Each hiccup lasts less than 1 second, and often occurs normally and regularly from 5 to 25 times per minute. The book of records mention a hiccup that lasted 57 years.

Human Body

Every syllable that man speaks, 72 muscles go into motion. To smile, 14 muscles are used. To kiss 29.

Human Body

A person 75 years sleeping an average of 8 hours per day spent 23 years sleeping.

Human Body

Body temperature is not steady all day. It rises to 37.2 ° C at 5 or 6 pm and will fall to 36 º C overnight.

Human Body

Human blood travels about 96,540 kilometers per day by the body.

Human Body

One in 20 people have an extra rib.

Human Body

The smile is a facial expression most often used. Laughter can use 5-53 facial muscles.

Human Body

Hair is made of the same material as fingernails.

Human Body

The eyes of infants do not produce tears until they reach at least six weeks.

Human Body

The cough out of the mouth at an average speed of 96.5 km / h. In turn, a sneeze can exceed the speed of 160 km / h.

Human Body

Body hair with a faster growth are beard. It grows about 30 feet during the life of man.